Leading raisin grape cultivar in the world is:

Correct option is B

Thompson Seedless is the most widely cultivated raisin grape variety globally, especially favored for its seedless berries which are ideal for drying into raisins. It has high yield potential, good adaptability to various climates, and resistance to many pests and diseases. Its berries have a balanced sugar-acid ratio, which makes it suitable for raisin production and table consumption. Due to these qualities, it dominates commercial raisin grape production in countries like the USA, Turkey, and India.